Real Estate market is similar to other market, which is unpredictable, nobody can predict the future clearly, And it is tied to other market to, positively or negatively.So the overall market may go up 20% next year, but here is where you need to distinguish be smart and being lucky.

Free marketing channels are unpredictable, so I wouldn't recommend them for scalability.

You have a maintenance issue…unpredictable cash flow.

I keep receiving mails from  insurance and mortgage companies to protect my home by getting a mortgage insurance. life is unpredictable and this seems like a no brainer.

CAPEX doesn't occur on a predictable schedule.What I have observed over time is that CAPEX is unpredictable.

(Fortunately, we were insured)Emergency Fund: Always have extra cash for unexpected events.Tenant Support: Keep good communication and support your tenants through tough times.Final ThoughtsThis July 4th was a disaster, but it’s also a stark reminder of the unpredictable nature of real estate investing.

Even if you take it all the way in front of a judge, the outcome is unpredictable regardless of the letter of the law.

A Heloc is subject to unpredictable increases by the Fed Reserve anytime.

No matter what they are on paper or even in person, you are dealing with people and people are unpredictable.  

My fiance owns a home in Woodside and the train line delays there are so unpredictable at times.